Zimbabwe

He seemed so casual — sitting on a bar stool behind the Tiny Desk, acoustic guitar in hand — but when you hear that husky voice, you'll know why he's a legend. Oliver Mtukudzi, or "Tuku" as his fans lovingly call him, plays spirited music, born from the soul of Zimbabwe. He's been recording since the late 1970s, with about as many albums as his age: 60.